CN110943227B - 复合集流体、电极极片及电化学装置 - Google Patents

复合集流体、电极极片及电化学装置 Download PDF

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Publication number
CN110943227B
CN110943227B CN201910472007.6A CN201910472007A CN110943227B CN 110943227 B CN110943227 B CN 110943227B CN 201910472007 A CN201910472007 A CN 201910472007A CN 110943227 B CN110943227 B CN 110943227B
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current collector
composite current
layer
thickness
conductive layer
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CN110943227A (zh
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刘欣
王铈汶
黄起森
李铖
李铭领
彭佳
刘向辉
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Contemporary Amperex Technology Co Ltd
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Priority to CN201910472007.6A priority Critical patent/CN110943227B/zh
Priority to KR1020217036643A priority patent/KR20210151170A/ko
Priority to EP19931131.7A priority patent/EP3968418A4/de
Priority to PCT/CN2019/090412 priority patent/WO2020237714A1/zh
Priority to JP2021564148A priority patent/JP7357690B2/ja
Publication of CN110943227A publication Critical patent/CN110943227A/zh
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/661—Metal or alloys, e.g. alloy coatings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/661—Metal or alloys, e.g. alloy coatings
    • H01M4/662—Alloys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/665—Composites
    • H01M4/667—Composites in the form of layers, e.g. coatings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/668—Composites of electroconductive material and synthetic resins
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Cell Electrode Carriers And Collectors (AREA)
  • Battery Electrode And Active Subsutance (AREA)
CN201910472007.6A 2019-05-31 2019-05-31 复合集流体、电极极片及电化学装置 Active CN110943227B (zh)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CN201910472007.6A CN110943227B (zh) 2019-05-31 2019-05-31 复合集流体、电极极片及电化学装置
KR1020217036643A KR20210151170A (ko) 2019-05-31 2019-06-06 복합 집전체, 전극 시트 및 전기화학 장치
EP19931131.7A EP3968418A4 (de) 2019-05-31 2019-06-06 Verbundstromabnehmer, elektrodenplatte und elektrochemische vorrichtung
PCT/CN2019/090412 WO2020237714A1 (zh) 2019-05-31 2019-06-06 复合集流体、电极极片及电化学装置
JP2021564148A JP7357690B2 (ja) 2019-05-31 2019-06-06 複合集電体、電極シート及び電気化学装置
US17/537,520 US20220085384A1 (en) 2019-05-31 2021-11-30 Composite current collector, electrode plate and electrochemical device

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CN201910472007.6A CN110943227B (zh) 2019-05-31 2019-05-31 复合集流体、电极极片及电化学装置

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CN110943227A CN110943227A (zh) 2020-03-31
CN110943227B true CN110943227B (zh) 2021-03-09

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US (1) US20220085384A1 (de)
EP (1) EP3968418A4 (de)
JP (1) JP7357690B2 (de)
KR (1) KR20210151170A (de)
CN (1) CN110943227B (de)
WO (1) WO2020237714A1 (de)

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CN111180736B (zh) * 2019-05-31 2021-06-08 宁德时代新能源科技股份有限公司 正极集流体、正极极片及电化学装置
CN111180735B (zh) * 2019-05-31 2021-05-07 宁德时代新能源科技股份有限公司 负极集流体、负极极片及电化学装置
EP3975298B1 (de) * 2020-04-17 2023-12-20 Contemporary Amperex Technology Co., Limited Negativelektrodenplatte, sekundärbatterie und vorrichtung dafür
CN113555561A (zh) * 2020-04-24 2021-10-26 北京小米移动软件有限公司 集流体、电极、电池、集流体制作方法及电极制作方法
CN111640949B (zh) * 2020-06-12 2022-02-22 宁德新能源科技有限公司 集流体、电极极片、电化学装置和电子装置
CN114122395B (zh) * 2020-08-31 2024-03-19 中南大学 一种钠离子电池用负极极片的制备及其应用
KR102608002B1 (ko) * 2020-09-23 2023-12-01 닝더 엠프렉스 테크놀로지 리미티드 복합 집전체, 전극 시트 및 전기 화학적 장치
CN113066989A (zh) * 2021-03-23 2021-07-02 珠海冠宇电池股份有限公司 一种集流体以及包含该集流体的极片和电化学装置
CN113097426B (zh) * 2021-03-29 2022-05-10 宁德新能源科技有限公司 电化学装置和电子装置
CN113113611A (zh) * 2021-03-30 2021-07-13 上海科比斯实业有限公司 一种复合集流体、电池极片、电芯和锂离子二次电池
CN113437248B (zh) * 2021-06-26 2022-03-18 宁德时代新能源科技股份有限公司 负极极片的处理方法、钠金属负极极片与电化学装置
CN113488658B (zh) * 2021-06-30 2022-07-08 浙江锋锂新能源科技有限公司 一种锂电池正极集流体及其制备方法与锂电池及其正极
WO2023028888A1 (zh) * 2021-08-31 2023-03-09 宁德时代新能源科技股份有限公司 一种锂离子电池、电池模块、电池包及用电装置
EP4194589A1 (de) 2021-10-26 2023-06-14 Contemporary Amperex Technology Co., Limited Kupferplattierungslösung und damit hergestellter zusammengesetzter stromabnehmer mit negativer elektrode
CN216120659U (zh) * 2021-10-28 2022-03-22 宁德时代新能源科技股份有限公司 集流体、电极片、电极组件、电池单体、电池和用电装置
CN114335557B (zh) * 2021-11-30 2023-07-14 蜂巢能源科技有限公司 复合箔材及制备方法、集流体和锂离子电池
CN114284504B (zh) * 2021-12-22 2023-11-28 上海恩捷新材料科技有限公司 复合集流体及其制备方法、其极片和电池
CN114479146B (zh) * 2022-02-17 2023-06-27 江阴纳力新材料科技有限公司 聚多酚改性的聚合物膜及其制备方法、金属化聚合物膜
CN114744203B (zh) * 2022-04-20 2024-06-25 江阴纳力新材料科技有限公司 具有金属立体网络结构的复合集流体及其制备方法、电极极片和电池
CN114678536A (zh) * 2022-04-29 2022-06-28 扬州纳力新材料科技有限公司 集流体及其制备方法和应用
CN114784290A (zh) * 2022-05-13 2022-07-22 扬州纳力新材料科技有限公司 高弹性的复合集流体及其制备方法
CN114824289A (zh) * 2022-05-13 2022-07-29 扬州纳力新材料科技有限公司 多层结构集流体及其制备方法
CN114927700A (zh) * 2022-06-29 2022-08-19 扬州纳力新材料科技有限公司 高可焊性的复合集流体及其制备方法
WO2024011537A1 (zh) * 2022-07-14 2024-01-18 扬州纳力新材料科技有限公司 复合集流体及其制备方法和应用
CN115322534B (zh) * 2022-08-29 2023-08-22 扬州纳力新材料科技有限公司 耐溶剂增强型聚酯膜、其制备方法、复合集流体及用途
CN115447246B (zh) * 2022-08-29 2024-02-06 扬州纳力新材料科技有限公司 耐溶胀型聚酯复合膜及其制备方法和应用
CN115320206B (zh) * 2022-09-06 2024-02-06 扬州纳力新材料科技有限公司 复合聚酯膜及其制备方法与用途
CN115425236B (zh) * 2022-09-06 2023-06-02 浙江柔震科技有限公司 复合集流体及其制备方法和装置
CN115447248B (zh) * 2022-09-06 2024-02-06 扬州纳力新材料科技有限公司 复合聚合物膜、其制造方法、金属化复合聚合物膜与应用
WO2024051776A1 (zh) * 2022-09-07 2024-03-14 扬州纳力新材料科技有限公司 复合聚酯膜及其制备方法和应用
CN115832193A (zh) * 2022-09-19 2023-03-21 宁德时代新能源科技股份有限公司 极片、电极组件、电池单体和电池
CN115275190B (zh) * 2022-09-22 2023-05-16 中国科学院山西煤炭化学研究所 用于钠离子电池负极的自支撑软/硬炭膜及其制备与应用
WO2024073892A1 (zh) * 2022-10-08 2024-04-11 宁德时代新能源科技股份有限公司 复合集流体、电极、二次电池及用电装置
WO2024092563A1 (zh) * 2022-11-02 2024-05-10 扬州纳力新材料科技有限公司 改性聚酯薄膜、制备方法、复合集流体、电极片及其用途
CN115579479B (zh) * 2022-12-12 2023-07-04 安徽元琛环保科技股份有限公司 一种用作集流体的复合导电膜及其制备方法和应用
CN116247222A (zh) * 2023-05-08 2023-06-09 宁德时代新能源科技股份有限公司 集流体、极片、电极组件、电池单体、电池及用电设备
CN117944351A (zh) * 2023-12-28 2024-04-30 扬州博恒新能源材料科技有限公司 一种用作集流体基膜的耐高温聚酯薄膜及其制备方法

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WO2020237714A1 (zh) 2020-12-03
KR20210151170A (ko) 2021-12-13
EP3968418A4 (de) 2022-08-24
CN110943227A (zh) 2020-03-31
US20220085384A1 (en) 2022-03-17
JP7357690B2 (ja) 2023-10-06
EP3968418A1 (de) 2022-03-16
JP2022531162A (ja) 2022-07-06

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